Finding the Fourth Proportional to 1,925.42, 2,887.81 and 885.38

Step by Step Solution

1. Step 1: Write the proportion equation
   1,925.42 : 2,887.81 = 885.38 : x
2. Step 2: Convert to fraction form
   1,925.42/2,887.81 = 885.38/x
3. Step 3: Cross multiply
   1,925.42x = 2,887.81 × 885.38
4. Step 4: Simplify right side
   1,925.42x = 2,556,792.57
5. Step 5: Solve for x
   x = 2,556,792.57/1,925.42
6. Step 6: Final answer
   x = 1,327.92